/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.core.features.registries;

import java.util.ArrayList;
import java.util.List;

import net.minecraft.item.ItemStack;

import appeng.api.storage.ICellHandler;
import appeng.api.storage.ICellRegistry;
import appeng.api.storage.IMEInventoryHandler;
import appeng.api.storage.ISaveProvider;
import appeng.api.storage.StorageChannel;

public class CellRegistry implements ICellRegistry {

    private final List<ICellHandler> handlers;

    public CellRegistry() {
        this.handlers = new ArrayList<>();
    }

    @Override
    public void addCellHandler(final ICellHandler h) {
        if (h != null) {
            this.handlers.add(h);
        }
    }

    @Override
    public boolean isCellHandled(final ItemStack is) {
        if (is == null) {
            return false;
        }
        for (final ICellHandler ch : this.handlers) {
            if (ch.isCell(is)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public ICellHandler getHandler(final ItemStack is) {
        if (is == null) {
            return null;
        }
        for (final ICellHandler ch : this.handlers) {
            if (ch.isCell(is)) {
                return ch;
            }
        }
        return null;
    }

    @Override
    public IMEInventoryHandler getCellInventory(final ItemStack is, final ISaveProvider container,
            final StorageChannel chan) {
        if (is == null) {
            return null;
        }
        for (final ICellHandler ch : this.handlers) {
            if (ch.isCell(is)) {
                return ch.getCellInventory(is, container, chan);
            }
        }
        return null;
    }
}
